Participant and Members Circulars

Holiday Notice

While HKEX’s Hong Kong markets will be closed on 19 June, all MSCI and currency products in the derivatives market will be available for trading. The Hong Kong markets will re-open as usual on 22 June. Please visit the HKEX Calendar for detailed trading arrangements and visit the Derivatives Holiday Trading page for a list of Holiday Trading Products.

Market Turnover

-

-

-

|

|

|

|

|

|

-

-

-

繁简

About HKEX

About HKEX

Investor Relations

Investor Relations

Corporate Governance

Corporate Governance

Sustainability

Media Centre

Careers

Related Sites: LME

HKEX Group

LME

Bond Connect

QME

HKEXnews

CESC

Client Connect

Latest Market Data

Exchange Traded Products

Structured Products

Real Estate Investment Trusts

Debt Securities

Listed Derivatives

Foreign Exchange

OTC Derivatives

Eligible OTC Clear Products

Interest Rate Swaps

Non Deliverable Forwards

Cross Currency Swaps

MSCI Index Futures & Options

HKEX Sustainable & Green Exchange

Hosting Services

Data and Index Services

Real Time Data Services

Historical Data Services

Rules, Forms & Fees

Risk Management

CCP Disclosures

Listed Derivatives

Risk Management

CCP Disclosures

Risk Management

CCP Disclosures

Settlement and Depository

Settlement - Securities

Uncertificated Securities Market

Common Nominee Services

Securities Admission into CCASS

Unclaimed Entitlements Held by HKSCC Nominees Limited

Platform Services

Corporate Action Messaging Standardisation

FINI - A New Era for Hong Kong’s IPO market

Orion Cash Platform

Orion Derivatives Platform

Integrated Fund Platform

Digital Payment Adoption for After-Hours Trading

HKEX Issuer Access Platform

Circulars & Notices

Become a Participant

HKEX Connect Hall

Join Our Markets

Listing with HKEX

Southeast Asia Listing Insights

Northbound and Southbound

Sustainable Finance at HKEX

Sustainable & Green Exchange (STAGE)

Listing of Specialist Technology Companies

Listing Regulations

Explore By Role

Potential Applicants

Rules & Resources

Checklists, forms & templates

News & Publications

Listing Newsletters

Listing Consultations

Sustainability & Corporate Governance

Board Diversity Hub

Corporate Governance Practices

Education Centre

About Listing & Contacts

Corporate News Releases

Regulatory Announcements

Market Communications

Market Consultations

Research Reports

Connect Programmes

Daily Statistics

Market Highlights

Eligible Securities

Stock Quote Lookup

Securities Prices

Exchange Traded Products

Derivative Warrants

Inline Warrants

Callable Bull / Bear Contracts

Real Estate Investment Trusts

Debt Securities

Futures & Options Prices

Foreign Exchange

Consolidated Reports

Securities Market

Derivatives Market

Clearing, Settlement and Depository

Market Data Services

Our
Products
- Securities
- Listed Derivatives
- OTC Derivatives
- Find a Partner
  Search our directory to find brokers, clearing members, information vendors and more
- MSCI Index Futures & Options
  HKEX launched 39 MSCI equity index futures and options contracts
- HKEX Sustainable & Green Exchange
  Collaborating on sustainable finance amongst our stakeholders
Our
Services
- Trading
  - Securities
    Overview
    Infrastructure
  - Derivatives
    Overview
    Infrastructure
- Connectivity
  - Hosting Services
  - SDNet/2
- Data and Index Services
- Rules, Forms & Fees
- Clearing
  - Securities
    Overview
    Infrastructure
    Risk Management
    CCP Disclosures
  - Listed Derivatives
    Overview
    Infrastructure
    Risk Management
    CCP Disclosures
  - OTC Clear
    Overview
    Infrastructure
    Risk Management
    CCP Disclosures
- Settlement and Depository
- Platform Services
- Circulars & Notices
  View important information issued by HKEX to Exchange and Clearing House Participants, Market Data vendors and Hosting Services members
- Become a Participant
  Connect to Hong Kong’s financial market through HKEX
- HKEX Connect Hall
  A centrally-located venue at the heart of Hong Kong financial hub, the HKEX Connect Hall is an iconic venue for Hong Kong’s financial community.
Join
Our Markets
- IPO
- Northbound and Southbound
  - Stock Connect
  - Bond Connect
- Commodities
  - LME
  - QME
- Sustainable Finance at HKEX
  - Core Climate
  - Sustainable & Green Exchange (STAGE)
- Biotech @ HKEX
  
  HKEX connects capital with a rich range of biotech issuers and investment products.
- Listing of Specialist Technology Companies
  A new listing pathway for Specialist Technology Companies.
- Core Climate
  The new carbon marketplace from HKEX
Listing
Regulations
- Education Centre
  A centralised education platform, including e-Learning.
- About Listing & Contacts
  Find information about listing, including committee members and contact persons.
News
centre
- Corporate News Releases
- Regulatory Announcements
- Market Communications
- Market Consultations
- News Centre
  Snapshot about HKEX latest news and information
- HKEX Calendar
  Subscribe to our calendar containing trading and clearing information, public holidays and more
- Research Reports
  Research and survey conducted by HKEX on its securities and derivatives markets and related topics
Connect
Programmes
- Daily Statistics
  Statistics on Shanghai and Shenzhen Connect updated daily
- Market Highlights
  View the market capitalization, number of listed companies and more in the Hong Kong, Shanghai and Shenzhen markets
- Eligible Securities
  A list of securities eligible for trading under Shanghai and Shenzhen Stock Connect
Market
Data
- Securities Prices
- Futures & Options Prices
- Statistics
- HKEXnews
  View listed company announcements and more on the centralised platform for regulatory filings and disclosures
- News Alerts
  Sign up to receive company announcements or website updates by email
- Market Data Services
  Vendors can sign up to purchase wholesale market data from HKEX’s Market Data Services department

Corporate News Releases

Market Communications

Regulatory Announcements

Participant and Members Circulars

Market Consultations

Trading Information

From to

16

Jun 2026

Volatility Scan Range Update for Weekly Stock Optionspdf

Ref Number: ORM/CRC/160/2026

10

Jun 2026

Volatility Scan Range Update for Weekly Stock Optionspdf

Ref Number: ORM/CRC/156/2026

03

Jun 2026

Stock Collateral Haircutpdf

Ref Number: ORM/CRC/150/2026

02

Jun 2026

SEOCH|HKEX Rule Enforcement

2026 Annual Attestation and Inspection Programme - Self-attestation of Compliance Questionnairepdf

Ref Number: MSM/006/2026

02

Jun 2026

Collateral Haircut Adjustmentpdf

Ref Number: ORM/CRC/148/2026

01

Jun 2026

SEOCH Reserve Fund Variable Contributionspdf

Ref Number: ORM/CRC/142/2026

29

May 2026

Rescheduling of Adjustment to Display of Underlying Closing Prices of Stock Options in DCASS and Specified Reportspdf

Ref Number: PT/CLR/SEOCH/056/2026

28

May 2026

Installation of Google Chrome Browser for DCASS Onlinepdf

Ref Number: PT/CLR/SEOCH/055/2026

18

May 2026

Standardization of Date Format in DCASS Risk Management Reports (including Risk Parameter Files)pdf

Ref Number: ORM/CRC/136/2026

08

May 2026

Adjustment to Display of Underlying Closing Prices of Stock Options in DCASS and Specified Reportspdf

Ref Number: PT/CLR/SEOCH/051/2026

05

May 2026

Collateral Haircut Adjustmentpdf

Ref Number: ORM/CRC/132/2026

04

May 2026

SEOCH Reserve Fund Variable Contributionspdf

Ref Number: ORM/CRC/130/2026

29

Apr 2026

Volatility Scan Range Updatepdf

Ref Number: ORM/CRC/126/2026

27

Apr 2026

Download and Upgrade of Google Chrome Browser for DCASS Onlinepdf

Ref Number: PT/CLR/SEOCH/050/2026

17

Apr 2026

Amendments to the Options Clearing Rules and the Operational Clearing Procedures for Options Trading Exchange Participants of The SEHK Options Clearing House Limited pdf

Ref Number: LSD/017/2026

02

Apr 2026

Collateral Haircut Adjustmentpdf

Ref Number: ORM/CRC/116/2026

01

Apr 2026

Orion Derivatives Platform: Upcoming Town Hallpdf

Ref Number: PT/CLR/SEOCH/044/2026

01

Apr 2026

SEOCH|HKEX Rule Enforcement

2026 Annual Attestation and Inspection Programmepdf

Appendix: Enrolment to Information Session 2026pdf

Ref Number: MSM/005/2026

01

Apr 2026

SEOCH Reserve Fund Variable Contributionspdf

Ref Number: ORM/CRC/109/2026

31

Mar 2026

SEOCH|HKEX Rule Enforcement

Compliance Bulletin (Issue No. 17) - (1) Reminder on Large Open Position (“LOP”) Reporting Requirements for Positions Held or Controlled Through Multiple Brokers; (2) Dealings with Suspended Exchange Participants; and (3) Closing of the 2025 Annual Attestation and Inspection Programmepdf

Ref Number: MSM/003/2026

Load More